Orthoptera of Northeastern America; With Especial Reference to the Faunas of Indiana and Florida

Orthoptera of Northeastern America; With Especial Reference to the Faunas of Indiana and Florida

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This historic book may have numerous typos and missing text. Purchasers can download a free scanned copy of the original book (without typos) from the publisher. Not indexed. Not illustrated. 1920 edition. Excerpt: ...tips narrowly rounded or subacute, inner margins overlapping, dorsal and median areas sharply defined; prosternal spine variable; hind femora bifasciate with fuscous on upper and outer faces; hind tibiae normally wholly or in great part red, often with basal third pale, the spines black; abdomen compressed, carinate, more strongly so in female, the extremity in male enlarged, upcurved; furcula, when present, very short, flattened, oblong or triangular projections lying on the sides of the median ridges of supra-anal plate; cerci and subgenital plate variable in the different species. In length and form of tegniina the members of this group are intermediate between the previous groups and the long-winged species of Melanoplus. Their feebly developed furcula, however, show that they are more closely related to the short-winged species previously treated than to the long-winged ones. Fig. 139. Lateral views of apical portions of male abdomens of Mclanoplus. a, fasciatus; b. querneus; c, nigresccns; d, huroni. X 4-(After Pettit, R. & H. and Scudder.) a. Lower face of hind femora not deep red; interspace between mesosternal lobes of male distinctly longer than broad; subgenital plate of male not or very feebly tuberculate at apex (PI. IlI, g.) b. Smaller, length of body, male, less than 20 mm., of female, not more than 23 mm.; tegmina covering two-thirds or more of abdomen; prozona of male but little if any longer than metazona. &6. Larger, length of body, male, 21 or more, of female, 24 or more, mm.; tegmina rarely (querneus) covering more than half the abdomen; prozona of male usually one-fourth or more longer than metazona. c. Apical margin of subgenital plate of male rounded, not or but feebly elevated at middle; cerci of male, broad, ...show more

Product details

  • Paperback | 340 pages
  • 189 x 246 x 18mm | 608g
  • Rarebooksclub.com
  • Miami Fl, United States
  • English
  • black & white illustrations
  • 1236643976
  • 9781236643971